Finding the Fourth Proportional to 147,947.27, 221,976.77 and 88,824.15

Step by Step Solution

1. Step 1: Write the proportion equation
   147,947.27 : 221,976.77 = 88,824.15 : x
2. Step 2: Convert to fraction form
   147,947.27/221,976.77 = 88,824.15/x
3. Step 3: Cross multiply
   147,947.27x = 221,976.77 × 88,824.15
4. Step 4: Simplify right side
   147,947.27x = 19,716,897,470.87
5. Step 5: Solve for x
   x = 19,716,897,470.87/147,947.27
6. Step 6: Final answer
   x = 133,269.77